• Last week it was Kraftwerk, this week it’s Can in another astonishing 70-minute TV performance from 1970. For those who know where to look in the torrent world there are copies of these recordings circulating there.

• JG Ballard: five years on. Extracts from introductions by John Gray, Hari Kunzru, Robert Macfarlane, Deborah Levy, James Lever, China Miéville and Michel Faber for a new series of Ballard editions.